IRI RowGen is a test data generation tool by Innovative Routines International that specializes in creating large-scale, realistic test data for database, data warehouse, and big data environments. It supports a wide range of data types and formats, including CSV, XML, and JSON, and provides powerful data generation features, such as random values, sequences, and expressions. IRI RowGen also offers data masking capabilities to protect sensitive data in test environments, as well as integration with the IRI Voracity data management platform for end-to-end data management and testing.